The Dynamic Great Lakes is available on Amazon's Kindle: http://www.amazon.com/The-Dynamic-Great-Lakes-ebook/dp/B005HM9BGU/ref=ntt_at_ep_edition_1_1?ie=UTF8&m=AG56TWVU5XWC2

The book got so many great reviews that the publisher deemed it "Critically Acclaimed."
The book has been updated recently. It is also available in paperback on Amazon.com, Barnes & Noble as well as from the publisher http://www.publishamerica.net/product23502.html